The Heliophysics Guest Investigator (H-GI) program is intended to maximize the scientific return from operating Heliophysics missions by providing support for research that is beyond the scope of work of the mission science teams. It also allows scientists who are not associated with a mission team to participate in the mission science.
 
This amendment delays the due date for Step-2 proposals for this program element. Step-2 proposals are now due by July 31, 2015.

Any questions regarding this change should be directed to William Paterson at william.r.paterson@nasa.gov